DNSCrypt 사용법
DNSCrypt 
https://dnscrypt.info/
https://github.com/jedisct1/dnscrypt-proxy
https://github.com/jedisct1/dnscrypt-proxy/wiki/Installation-Windows
    DNSCrypt v2 와 DoH(DNS-over-HTTPS) 프로토콜을 지원하는 DNS 프록시
- 암호화된 Secure DNS , DNSSEC을 사용해도 인터넷 검열은 피할 수 없다.
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    - Simple DNSCrypt
        - DNSCrypt 용 GUI 툴
https://simplednscrypt.org/
https://github.com/bitbeans/SimpleDnsCrypt
        - 사용방법 : 
            다운로드해서 설치후
            DNSCrypt Serve : On
            Network cards : 체크
             - 자동으로 DNS가 변경되어 추가 설정이 필요 없음
 dnscrypt-proxy-win64-2.0.19.zip
dnscrypt-proxy-win64-2.0.19.zip
 Simple DNSCrypt x64-(PW=1).zip
Simple DNSCrypt x64-(PW=1).zip
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//참고
- 현재 DNS 확인
dnsleaktest.com
- dns 쿼리 결과 보기
nslookup
> lserver 1.1.1.1
> wraning.or.kr
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IPv4 , IPv6 변환(converter)
https://www.vultr.com/tools/ipv4-converter
127.0.0.1  -    ::1
1.1.1.1  - 2606:4700:4700::1111
1.0.0.1  - 2606:4700:4700::1001
8.8.8.8 - 2001:4860:4860::8888
8.8.4.4 - 2001:4860:4860::8844
//
192.168.1.251  -  0000:0000:0000:0000:0000:ffff:c0a8:01fb
 SimpleDNSCrypt64v0.6.2.msi
SimpleDNSCrypt64v0.6.2.msi